3.2.2 - Modify C3D Point Group Properties
Step Description:

This step is necessary in order to create a Civil 3D Point Group that contains only Ground shots to use in the creation of the surface.

  • Toolspace > Prospector tab > expand [drawing name] > expand Point Groups > right-click _Points to display > Properties
  • In Properties dialog open the Query Builder tab
  • Check the Modify query box
  • For the Property choose Point.CgPoint.DTMAttribute
  • Set Operator to (=)
  • Set Value to [ground]
  • Select Apply > OK
  • Regen the drawing: type re in the command line.

Query Builder Image
Query Builder Image


If all the same points are displayed in the drawing then the _No Points default query builder will also have to be modified. To modify _No Points:
  • Right-click > _No Points > Properties > Query Builder tab
  • Check Modify query
  • For the Property choose Name
  • Set Operator to (=)
  • Set value to [*]
  • Select Apply > OK
  • Regen the drawing

Now only the single points remaining will be brought into the surface

For more information watch the video below: